Use 2021 version of LSOAs for reverse geocoding if no version is given

[Herald-TUOS]

Geocode/geocode/geocode.py

Lines 299 to 303 in ea22c71

	elif entity == "llsoa":
	version = kwargs.pop("version", "2011")
	return self.ons_nrs.reverse_geocode_llsoa(
	latlons, version=version, **kwargs
	)